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Serving leading biopharmaceutical companies globally:

US Department of Justice
Queensland Health

Generated: October 22, 2017

DrugPatentWatch Database Preview

Details for Patent: 6,174,442

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Which drugs does patent 6,174,442 protect, and when does it expire?

Patent 6,174,442 protects VELPHORO and is included in one NDA.

This patent has twenty-two patent family members in twenty countries.

Summary for Patent: 6,174,442

Title: Adsorbent for phosphate from an aqueous medium, production and use of said adsorbent
Abstract:An adsorbent for phosphate from aqueous medium, particularly for inorganic phosphate or phosphate bound to foodstuffs from body fluids or foodstuffs, which contains beta-iron hydroxide stabilized by carbohydrates and/or by humic acid.
Inventor(s): Geisser; Peter (St. Gallen, CH), Philipp; Erik (St. Gallen, CH)
Assignee: Vifor (International) AG (St. Gallen, SE)
Application Number:09/077,944
Patent Claim Types:
see list of patent claims
Compound; Process; Formulation;

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Vifor Fresenius
sucroferric oxyhydroxide
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Foreign Priority and PCT Information for Patent: 6,174,442

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Germany195 47 356Dec 19, 1995
PCT Information
PCT FiledDecember 19, 1996PCT Application Number:PCT/EP96/05695
PCT Publication Date:June 26, 1997PCT Publication Number: WO97/22266

International Patent Family for Patent: 6,174,442

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Spain2171758► Subscribe
Brazil9612138► Subscribe
Canada2240668► Subscribe
Germany19547356► Subscribe
Germany59608089► Subscribe
Denmark0868125► Subscribe
European Patent Office0868125► SubscribeC300710Netherlands► Subscribe
European Patent Office0868125► SubscribePA2015003Lithuania► Subscribe
European Patent Office0868125► SubscribeCA 2015 00007Denmark► Subscribe
European Patent Office0868125► Subscribe15C0018France► Subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.

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Serving leading biopharmaceutical companies globally:

US Department of Justice
Daiichi Sankyo
US Army
Farmers Insurance
Harvard Business School

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. thinkBiotech performs no independent verifification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.

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